/*
 * Copyright (c) 2021, 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.oracle.svm.core.jdk;

import java.util.function.BooleanSupplier;

public final class NashornSupport {

    // Determine if the jdk.scripting.nashorn module (or jar) is available. If it's not,
    // the boolean supplier should return false.
    static class NashornAvailable implements BooleanSupplier {

        private static final String CLASSFILTER_NAME = "jdk.nashorn.api.scripting.ClassFilter";

        @Override
        public boolean getAsBoolean() {
            try {
                // Checkstyle: stop
                Class.forName(CLASSFILTER_NAME);
                // Checkstyle: resume
                return true;
            } catch (ClassNotFoundException e) {
                return false;
            }
        }

    }
}
